Wcdma for umts radio access for third genergation mobile communacations phần 4 potx
Wcdma for umts radio access for third genergation mobile communacations phần 4 potx
... kbps
256 15 30 12– 24 6–12 kbps
128 30 60 42 –51 20– 24 kbps
64 60 120 90 45 kbps
32 120 240 210 105 kbps
16 240 48 0 43 2 215 kbps
8 48 0 960 912 45 6 kbps
4 960 1920 1872 936 kbps
4, with 3 parallel ... 7.5 kbps
128 30 15 kbps
64 60 30 kbps
32 120 60 kbps
16 240 120 kbps
8 48 0 240 kbps
4 960 48 0 kbps
4, with 6 parallel codes 5 740 2.8 Mbps
116 WCDMA for UMTS
As a...
Wcdma for umts radio access for third genergation mobile communacations phần 8 potx
... of HSDPA techniques for the uplink direction is under investigation in
3GPP for inclusion in forthcoming Releases, though the expected gain is not foreseen to
344 WCDMA for UMTS
11.8.3 User Scheduling, ... PA (Release ’99 compliant only cell),
Figure 11. 14. Example of inter-Node B HS-DSCH to HS-DSCH handover
3 24 WCDMA for UMTS
Another important area for observation is th...
Wcdma for umts radio access for third genergation mobile communacations phần 9 potx
... done for 3 84 kbps bit rate and the same analysis
methodology is used as for AMR voice and circuit switched video. The BLER target is set to
36
37
38
39
40
41
42
43
44
Time
PtxTotal
(dBm)
0
2
4
6
8
10
12
14
16
18
20
Number ... dB
120 km/h 4. 0 dB 4. 4 dB 3.0 dB 3 .4 dB
356 WCDMA for UMTS
The choice of multiuser detection techniques for WCDMA base station receivers...
Wcdma for umts radio access for third genergation mobile communacations phần 10 ppsx
... [5].
Reverse pilot channel
Enhanced
access header
Enhanced
access data
Enhanced access channel probe
5 ms
N
times 5, 10 or 20 ms
Figure 14. 7. MC mode RACH ramping
44 4 WCDMA for UMTS
The differences in the ... 3
spreading, 49
synchronisation channel, 112, 128
TDD, 41 1
Handovers, 42 4
user data rates, 42 0
TD-SCDMA, 41 1
terminal power class, 113
Index 44 9
[70] Divsalar...
Wcdma for umts radio access for third genergation mobile communacations phần 2 pdf
... in
Figure 2. 14. Example streaming terminals
Figure 2.15. Example content download
26 WCDMA for UMTS
4
Background and Standardisation
of WCDMA
Antti Toskala
4. 1 Introduction
In the first phase of third ... of the WCDMA waveform against interference is clearly
compromised. The performance of high bit rates with WCDMA is presented in Section 12 .4.
Both base stations as well a...
Wcdma for umts radio access for third genergation mobile communacations phần 3 doc
... Mobile Radio Commu-
nications, PIMRC’97, Helsinki, Finland, 1 4 September 1997, pp. 42 46 .
[5] Universal Mobile Telecommunications System (UMTS) , Requirements for the UMTS Terrestrial
Radio Access ... procedures for initialisation and rate control are
defined, and a functionality is specified for indicating the quality of the frame based, for
example, on CRC from the ra...
Wcdma for umts radio access for third genergation mobile communacations phần 5 pdf
... Erl 65 % 14. 4 Erl 12 %
64 12.5 7.0 Erl 56 % 8.2 Erl 17 %
144 6 .4 2.5 Erl 39 % 3.2 Erl 28 %
0%
10%
20%
30%
Soft capacity
Speech
12.2 kbps
16 kbps 32 kbps 64 kbps 144 kbps
Figure 8. 14. Soft capacity ... other hand, WCDMA requires very linear base station power
amplifiers, which is challenging for the implementation.
1 54
156
158
160
162
1 64
166
168
170
100 150 200 250 300 350 40...
Wcdma for umts radio access for third genergation mobile communacations phần 6 doc
... 97.7 %
64 kbps 84. 6 % 88.9 %
3 84 kbps 66.9 % 71 .4 %
Test mobile speed:
Basic loading: mobile ——————————————
speed 50 km/h 3 km/h 50 km/h
8 kbps 95.5 % 97.1 %
64 kbps 82 .4 % 87.2 %
3 84 kbps 63.0 % ... 63.0 % 67.2 %
Test mobile speed:
Basic loading: mobile 3 ——————————————
and 50 km/h 3 km/h 50 km/h
8 kbps 96.0 % 97.5 %
64 kbps 83.9 % 88.3 %
3 84 kbps 65.7 % 70.2 %
2 14...
Wcdma for umts radio access for third genergation mobile communacations phần 7 pps
... 10.28.
3 84
Target load level
3 843 84
256
3 84
256
256
256
256
128
Time
1
= 1 capacity request in the queue, 3 84 kbps allocated
1 2 3 4 5
2
= 2
nd capacity request arrives, room for 2nd 3 84 kbps
3
= ... context
for any application, e.g. for presence. The third optimisation step is to use an existing PDP
0
200
40 0
600
800
1000
GPRS WCDMA
RACH
WCDMA
DCH
Milliseconds
Acce...
Từ khóa:
- hsdpahsupa for umts high speed radio access for mobile communications download
- hsdpahsupa for umts high speed radio access for mobile communications pdf
- hsdpahsupa for umts high speed radio access for mobile communications
- high speed radio access for mobile communications
- licenses for third party components
- singular and plural nouns exercises for third grade
- sample lesson plan in english for third year high school
- lesson plan in english for third year high school
- singular and plural nouns for third graders